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Finding the Fourth Proportional to 444,602.10, 613,383.42 and 291,724.68

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Solution

The fourth proportional to 444,602.10, 613,383.42 and 291,724.68 is: 402,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,602.10 : 613,383.42 = 291,724.68 : x
  2. Step 2: Convert to fraction form
    444,602.10/613,383.42 = 291,724.68/x
  3. Step 3: Cross multiply
    444,602.10x = 613,383.42 × 291,724.68
  4. Step 4: Simplify right side
    444,602.10x = 178,939,081,916.81
  5. Step 5: Solve for x
    x = 178,939,081,916.81/444,602.10
  6. Step 6: Final answer
    x = 402,470.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.